diff --git a/zh_CN.GB2312/share/mk/doc.local.mk b/zh_CN.GB2312/share/mk/doc.local.mk
index 9d71163864..bc683bdae8 100644
--- a/zh_CN.GB2312/share/mk/doc.local.mk
+++ b/zh_CN.GB2312/share/mk/doc.local.mk
@@ -1,4 +1,5 @@
 # $FreeBSD$
 
 SP_ENCODING?=	${LANGCODE:C,^.*\.,,}
 
+SGMLFLAGS+= -D ${IMAGES_EN_DIR}/${DOC}s/${.CURDIR:T}